. Bulletin. Fig. 3. Tiphia larvae recently hatchedand part of body still concealedby egg-shell. Tiphia punctata Rob., larvafew days old. in the field or elsewhere, if was safer, after placing it in a similar box,to use, instead of soil, a packing of loose, partially rotted, damp sphag-num moss, or very loose muck soil. When the Tiphia cocoon had beencompleted it was transferred to a box containing an earthen cell. Eachparasitized grub removed from the box containing the Tiphia adult was. Fig. .5. Mature Tiphia hiiva. replaced by a healthy grub and the Tiphia was fed honey water aboutevery othe
. Bulletin. Fig. 3. Tiphia larvae recently hatchedand part of body still concealedby egg-shell. Tiphia punctata Rob., larvafew days old. in the field or elsewhere, if was safer, after placing it in a similar box,to use, instead of soil, a packing of loose, partially rotted, damp sphag-num moss, or very loose muck soil. When the Tiphia cocoon had beencompleted it was transferred to a box containing an earthen cell. Eachparasitized grub removed from the box containing the Tiphia adult was. Fig. .5. Mature Tiphia hiiva. replaced by a healthy grub and the Tiphia was fed honey water aboutevery other day.* The life histories of the four common species studied at Lafayetteare similar in many respects, and are as follows: The black digger-wasps T. punctata and T. transversa, and probably T. vulgaris also, issuefrom the cocoons during the summer, more often during June and July * The writer takes this opportunity to acknowledge his indebtedness to G. Tower, who faithfully cared for the Tiphia experiments during the writersabsence August , 1915. and to Messrs. P. A. Fenton and S. L. Mason, whoperformed similar services in 1916. 64 {T. inornata earlier), feed on the tlovvers of such weeds as asters andparsnips or the honeydew of plant-Hce (especially that of Aphis maidisFitch), mate, and re-enter the ground to parasitize the common white-grub. The grub is first paralyzed, the wasp stinging it on the underside of the first or second thoracic segment, and an egg is the
Size: 2089px × 1197px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
